Home / 346,462,952.90-478,001,170.64-197,677,187.60

Finding the Fourth Proportional to 346,462,952.90, 478,001,170.64 and 197,677,187.60

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Solution

The fourth proportional to 346,462,952.90, 478,001,170.64 and 197,677,187.60 is: 272,727,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462,952.90 : 478,001,170.64 = 197,677,187.60 : x
  2. Step 2: Convert to fraction form
    346,462,952.90/478,001,170.64 = 197,677,187.60/x
  3. Step 3: Cross multiply
    346,462,952.90x = 478,001,170.64 × 197,677,187.60
  4. Step 4: Simplify right side
    346,462,952.90x = 94,489,927,081,622,880
  5. Step 5: Solve for x
    x = 94,489,927,081,622,880/346,462,952.90
  6. Step 6: Final answer
    x = 272,727,361.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.